[time-nuts] Survey plot as art.
Bob Camp
kb8tq at n1k.org
Sat Jan 7 15:16:34 EST 2017
Hi
The “simple” answer is that the weird legs going out from the central blob are
the result of multi-path / reflections in the received signal. With enough data you
might be able to correlate them to observed obstructions. The simulation modeling
required to make that happen might be a bit complex…..
Bob
> On Jan 7, 2017, at 3:07 PM, Gary E. Miller <gem at rellim.com> wrote:
>
> Yo Peter!
>
> On Sat, 7 Jan 2017 12:54:45 -0500
> Peter Reilley <preilley_454 at comcast.net> wrote:
>
>> This is the survey from my Trimble NTBW50AA. It looks like some
>> bacteria floating around.
>
> You can get those from any GPS using the program gpsprof from gpsd.
>
> See attached for a 24 plot from a stationary GlobalSat MR-350P
>
> I find these plots very useful when comparing GPS models.
>
> RGDS
> GARY
> ---------------------------------------------------------------------------
> Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
> gem at rellim.com Tel:+1 541 382 8588
>
> Veritas liberabit vos. -- Quid est veritas?
> "If you can’t measure it, you can’t improve it." - Lord Kelvin
> <mr-350p.png>_______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
More information about the time-nuts
mailing list